Cerita dibuka dengan suara backsoud Joon-Oh yg lagi berkata2:
--Have you ever cried because of someone else's pain?
--To share the heart wrenching pain of the person you are with,is it really possible?
--If it is,someone taught me that it may be that you are truly
in love with that person,
--One late summer,when it started to smell of fall,
--There was someone who willingly accompanied me on a quest I was uncertain of,
--This is our story..